/*
 * Copyright 2016 Google, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.netflix.spinnaker.clouddriver.appengine.provider.callbacks

import com.fasterxml.jackson.databind.ObjectMapper
import com.google.api.client.googleapis.batch.json.JsonBatchCallback
import com.google.api.client.googleapis.json.GoogleJsonError
import com.google.api.client.http.HttpHeaders
import groovy.util.logging.Slf4j

@Slf4j
class AppengineCallback<T> extends JsonBatchCallback<T> {
  Closure successCb
  Closure failureCb

  AppengineCallback success(Closure successCb) {
    this.successCb = successCb
    return this
  }

  AppengineCallback failure(Closure failureCb) {
    this.failureCb = failureCb
    return this
  }

  @Override
  void onSuccess(T response, HttpHeaders httpHeaders) throws IOException {
    successCb(response, httpHeaders)
  }

  @Override
  void onFailure(GoogleJsonError e, HttpHeaders httpHeaders) throws IOException {
    if (failureCb) {
      failureCb(e, httpHeaders)
    } else {
      def errorJson = new ObjectMapper().writerWithDefaultPrettyPrinter().writeValueAsString(e)
      log.error errorJson
    }
  }
}
